.closebtn{
    width: 25px;
    height: 25px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    position: absolute;
    right: -13px;
    top: -13px;
    color: #fff;
    text-align: center;
    line-height: 23px;
    cursor: pointer;
}
.closebtn:after{
    content:'x'
}
.canvas2{
    border-radius: 6px;
}
.block {
    position: absolute;
    left: 20px;
    top: 20px;
    cursor: pointer;
    cursor: grab;
  }
  
  .block:active {
    cursor: grabbing;
  }
  
  .sliderContainer {
    position: relative;
    text-align: center;
    width: 310px;
    height: 40px;
    line-height: 40px;
    margin-top: 15px;
    background: #f7f9fa;
    color: #45494c;
    border: 1px solid #e4e7eb;
    border-radius: 6px;
  }
  
  .sliderContainer_active .slider {
    height: 38px;
    top: -1px;
    border: 1px solid #1991FA;
  }
  
  .sliderContainer_active .sliderMask {
    height: 38px;
    border-width: 1px;
    border-radius: 6px 0 0 6px;
  }
  
  .sliderContainer_success .slider {
    height: 38px;
    top: -1px;
    border: 1px solid #67c23a;
    background-color: #67c23a !important;
  }
  
  .sliderContainer_success .sliderMask {
    height: 38px;
    border: 1px solid #b3e19d;
    background-color: #f0f9eb;
    border-radius: 6px 0 0 6px;
  }
  
  .sliderContainer_success .sliderIcon {
    background-position: 0 -26px!important;
  }
  
  .sliderContainer_fail .slider {
    height: 38px;
    top: -1px;
    border: 1px solid #f57a7a;
    background-color: #f57a7a !important;
  }
  
  .sliderContainer_fail .sliderMask {
    height: 38px;
    border: 1px solid #f57a7a;
    background-color: #fce1e1;
    border-radius: 6px 0 0 6px;
  }
  
  .sliderContainer_fail .sliderIcon {
    top: 14px;
    background-position: 0 -82px !important;
  }
  
  .sliderContainer_active .sliderText, .sliderContainer_success .sliderText, .sliderContainer_fail .sliderText {
    display: none;
  }
  
  .sliderMask {
    position: absolute;
    left: 0;
    top: 0;
    height: 40px;
    border: 0 solid #1991FA;
    background: #D1E9FE;
  }
  
  .slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    background: #fff;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
    transition: background .2s linear;
    cursor: pointer;
    cursor: grab;
    border-radius: 6px;
  }
  
  .slider:active {
    cursor: grabbing;
  }
  
  .slider:hover {
    background: #1991FA;
  }
  
  .sliderIcon {
    position: absolute;
    top: 15px;
    left: 13px;
    width: 14px;
    height: 12px;
    background: url(./captcha.png) 0 -13px;
    background-size: 32px 544px;
  }
  
  .slider:hover .sliderIcon {
    background-position: 0 0;
  }
  
  .refreshIcon {
    position: absolute;
    right: 25px;
    top: 25px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    background: url(./captcha.png) 0 -233px;
    background-size: 32px 544px;
  }
  
  .refreshIcon:hover {
    background-position: 0 -266px;
  }
  
  .loadingContainer {
    position: absolute;
    left: 20px;
    top: 20px;
    width: 310px;
    height: 155px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    color: #45494c;
    z-index: 500;
    background: #EDF0F2;
  }
  
  .loadingIcon {
    width: 32px;
    height: 32px;
    margin-bottom: 10px;
    background: url(./captcha.png) 0 -332px;
    background-size: 32px 544px;
    animation: loading-icon-rotate 0.8s linear infinite;
  }
  
  @keyframes loading-icon-rotate {
    from { transform: rotate(0) }
    to { transform: rotate(360deg)}
  }